CN110509735A - Composite air suspension for spool bridge - Google Patents
Composite air suspension for spool bridge Download PDFInfo
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- CN110509735A CN110509735A CN201910802801.2A CN201910802801A CN110509735A CN 110509735 A CN110509735 A CN 110509735A CN 201910802801 A CN201910802801 A CN 201910802801A CN 110509735 A CN110509735 A CN 110509735A
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- spring beam
- spring
- air suspension
- airbag
- spool
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- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 229920001971 elastomer Polymers 0.000 claims abstract description 30
- 239000000806 elastomer Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000006096 absorbing agent Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明公开了一种线轴桥用复合空气悬架，其特征在于，包括工型架、设置于工型架下方的弹簧梁支架及弹簧梁，所述弹簧梁一端固定在弹簧梁支架上，另一端安装有车桥，所述弹簧梁与弹簧梁支架之间设置第一弹性体轴套，所述弹簧梁与车桥之间设置第二弹性体轴套，所述弹簧梁上设置垂向气囊和横向气囊，所述横向气囊一端与弹簧梁支架相连，另一端固定在弹簧梁上，所述横向气囊设置于垂向气囊与车桥之间，所述车桥与工型架之间设置限位装置，垂向气囊和横向气囊共同承载载荷，以满足车桥承载能力，弹簧梁支架与弹簧梁之间采用第一弹性体轴套连接，弹簧梁与车桥之间采用第二弹性体轴套连接，有效提高悬架的减震性能，减缓车辆振动。
The invention discloses a composite air suspension for a spool bridge, which is characterized in that it comprises an I-shaped frame, a spring beam bracket and a spring beam arranged under the I-shaped frame, one end of the spring beam is fixed on the spring beam bracket, and the other Axle is installed at one end, a first elastomer bushing is arranged between the spring beam and the spring beam bracket, a second elastomer bushing is arranged between the spring beam and the axle, and a vertical airbag is arranged on the spring beam and a transverse airbag, one end of the transverse airbag is connected to the spring beam bracket, and the other end is fixed on the spring beam, the transverse airbag is arranged between the vertical airbag and the vehicle axle, and a limiting The vertical airbag and the transverse airbag jointly carry the load to meet the bearing capacity of the axle. The spring beam bracket and the spring beam are connected by the first elastic body bushing, and the spring beam and the axle are connected by the second elastic body shaft. The sleeve connection can effectively improve the shock absorption performance of the suspension and reduce the vibration of the vehicle.
Description
技术领域technical field
本发明属于空气悬架技术领域，具体涉及一种线轴桥用复合空气悬架。The invention belongs to the technical field of air suspension, and in particular relates to a composite air suspension for a spool bridge.
背景技术Background technique
目前使用的线轴桥用悬架采用是一线两轴，弹簧梁两端连接车桥，弹簧梁中间连接弹簧梁支架，弹簧梁支架焊接在车架上；从轮胎到车架之间各个连接节点之间均是刚性连接，车辆减震性能特别差，物资在运输过程中存在磕碰、划伤、碎裂等现象。The currently used spool bridge suspension adopts one line and two axles, the two ends of the spring beam are connected to the axle, the middle of the spring beam is connected to the spring beam bracket, and the spring beam bracket is welded on the frame; between the connection nodes between the tire and the frame All of them are rigidly connected, and the shock absorption performance of the vehicle is particularly poor. There are bumps, scratches, and fragments during the transportation of materials.
因此，现有技术有待进一步研究。Therefore, the prior art needs further research.
发明内容Contents of the invention
本发明的目的是提供一种线轴桥用复合空气悬架，提供一种结构合理的线轴桥用复合空气悬架，旨在提高悬架减震性能、缓减车辆振动，对运输物资起保护作用。The purpose of the present invention is to provide a composite air suspension for a spool bridge, and provide a composite air suspension for a spool bridge with a reasonable structure, aiming at improving the shock absorption performance of the suspension, reducing the vibration of the vehicle, and protecting the transportation materials .
为解决上述问题，本发明所采用的技术方案是：一种线轴桥用复合空气悬架，包括工型架、设置于工型架下方的弹簧梁支架及弹簧梁，所述弹簧梁一端固定在弹簧梁支架上，另一端安装有车桥，所述弹簧梁与弹簧梁支架之间设置第一弹性体轴套，所述弹簧梁与车桥之间设置第二弹性体轴套，所述弹簧梁上设置垂向气囊和横向气囊，所述横向气囊一端与弹簧梁支架相连，另一端固定在弹簧梁上，所述横向气囊设置于垂向气囊与车桥之间，所述车桥与工型架之间设置限位装置。In order to solve the above-mentioned problems, the technical solution adopted in the present invention is: a composite air suspension for a spool bridge, comprising an I-frame, a spring beam support and a spring beam arranged under the I-frame, and one end of the spring beam is fixed on On the spring beam support, the other end is equipped with a vehicle axle, a first elastic body bushing is arranged between the spring beam and the spring beam support, a second elastomer bushing is arranged between the spring beam and the vehicle axle, and the spring A vertical airbag and a transverse airbag are arranged on the beam. One end of the horizontal airbag is connected with the spring beam bracket, and the other end is fixed on the spring beam. The horizontal airbag is arranged between the vertical airbag and the axle, and the axle and the work A limit device is set between the frames.
所述横向气囊为双曲气囊。The transverse airbag is a hyperbolic airbag.
所述弹簧梁一端设置安装套，另一端设置安装轴，所述弹簧梁设置横向气囊支架及纵向气囊安装板。One end of the spring beam is provided with a mounting sleeve, and the other end is provided with a mounting shaft, and the spring beam is provided with a transverse airbag bracket and a longitudinal airbag mounting plate.
所述弹簧梁支架包括顶板及设置于两侧的侧板，所述两侧板之间设置横向气囊安装板，所述安装板下方及两侧板之间形成弹簧梁安装槽。The spring beam support includes a top plate and side plates arranged on both sides, a transverse airbag installation plate is arranged between the two side plates, and a spring beam installation groove is formed under the installation plate and between the two side plates.
所述侧板上设置第一安装孔，所述第一安装孔与安装套对应设置，所述侧板与安装套之间通过第一销轴连接，所述安装套一侧与第一销轴之间对应设置开槽螺母，所述第一弹性体轴承安装在安装套与第一销轴之间，所述开槽螺母与第一弹性体轴套之间设置台阶套。The first mounting hole is provided on the side plate, and the first mounting hole is set correspondingly to the mounting sleeve. The side plate and the mounting sleeve are connected by a first pin shaft, and one side of the mounting sleeve is connected to the first pin A slotted nut is arranged correspondingly therebetween, the first elastomer bearing is installed between the installation sleeve and the first pin shaft, and a step sleeve is arranged between the slotted nut and the first elastic body sleeve.
所述第一弹性体轴承与第二弹性体轴承均为橡胶材质，所述第一弹性体轴承径向设置两层金属骨架，所述第一弹性体轴承端面设置三层金属骨架。Both the first elastic body bearing and the second elastic body bearing are made of rubber, the first elastic body bearing is radially provided with two layers of metal skeletons, and the end surface of the first elastic body bearing is provided with three layers of metal skeletons.
所述第二弹性体轴承径向设置一侧金属骨架，所述第二弹性体轴承端面设置三层金属骨架。The second elastic body bearing is radially provided with a metal skeleton on one side, and the end surface of the second elastic body bearing is provided with a three-layer metal skeleton.
所述侧板与弹簧梁之间设置减震器，所述弹簧梁两侧设置减震器安装柱，所述减震器一端固定在弹簧梁支架上，另一端固定在减震器安装柱上。A shock absorber is arranged between the side plate and the spring beam, and shock absorber installation columns are arranged on both sides of the spring beam, and one end of the shock absorber is fixed on the spring beam support, and the other end is fixed on the shock absorber installation column .
所述车桥上与安装轴对应设置第二安装孔，所述安装轴穿过第二安装孔通过螺母固定在车桥上，所述第二弹性体轴承安装于安装轴与第二安装孔之间设置。A second mounting hole is provided on the axle corresponding to the mounting shaft, and the mounting shaft passes through the second mounting hole and is fixed on the axle through a nut, and the second elastomer bearing is mounted between the mounting shaft and the second mounting hole between settings.
所述限位装置包括设置于车桥上的限位支架，所述限位支架与工型架之间设置限位钢丝绳。The limiting device includes a limiting bracket arranged on the vehicle axle, and a limiting steel wire rope is arranged between the limiting bracket and the work frame.
本发明的有益效果是：The beneficial effects of the present invention are:
1.本发明设置纵向气囊和横向气囊共同承载载荷，以满足车桥承载能力，弹簧梁与弹簧支架之间设置横向气囊，弹簧梁与弹簧支架之间设置减震器，以衰减来自地面的振动，弹簧梁支架与弹簧梁之间采用第一弹性体轴套连接，弹簧梁与车桥之间采用第二弹性体轴套连接，有效提高悬架的减震性能，减缓车辆振动。1. In the present invention, longitudinal airbags and transverse airbags are set to jointly carry loads to meet the load-carrying capacity of the vehicle axle. Horizontal airbags are arranged between the spring beam and the spring bracket, and shock absorbers are arranged between the spring beam and the spring bracket to attenuate the vibration from the ground , The spring beam support and the spring beam are connected by the first elastic body bushing, and the spring beam and the axle are connected by the second elastic body bushing, which can effectively improve the shock absorption performance of the suspension and slow down the vehicle vibration.
2.本发明设置第一弹性体轴套连接弹簧梁支架与弹簧梁，采用第二弹性体轴套连接弹簧梁与车桥，安装时压缩产生了较大的径向刚度和轴向刚度，来自地面的振动经过此两处弹性体轴承过滤，减少了振动传递，同时气囊也对振动进行减震，减震器对振动进行了振动衰减，从提高了车辆的减震效果，相对于传统的刚性连接，由于不存在金属件之间磨损，也就不存在配合件之间松旷，异响，车桥跑偏等现象，悬架及车桥总成件寿命得到提高。2. In the present invention, the first elastomer bushing is used to connect the spring beam bracket and the spring beam, and the second elastomer bushing is used to connect the spring beam and the axle. Compression during installation produces greater radial stiffness and axial stiffness. The vibration of the ground is filtered by the two elastomer bearings, which reduces the vibration transmission. At the same time, the airbag also damps the vibration, and the shock absorber attenuates the vibration, which improves the shock absorption effect of the vehicle. Compared with the traditional rigidity Connection, because there is no wear between metal parts, there is no looseness between matching parts, abnormal noise, axle deviation, etc., and the service life of suspension and axle assemblies is improved.
3.本发明在弹簧梁与工型架之间设置纵向气囊，纵向气囊不仅承载，而且减震，位于两侧轮胎之间，且靠前端，由于受车桥轮胎内侧距离限制，纵向气囊承载不足以满足承载能力要求，在弹簧梁与弹簧支架之间设置横向气囊，主要是对纵向气囊承载能力不足的补充，由于受空间限制，将横向气囊设置双曲气囊，横向布置，这样减小了纵向距离，整个悬架布置更紧凑，起到更好的载重及减震效果。3. In the present invention, a longitudinal airbag is arranged between the spring beam and the I-frame. The longitudinal airbag not only bears load, but also absorbs shock. It is located between the tires on both sides and near the front end. Due to the limitation of the inner distance of the axle tires, the longitudinal airbag does not carry enough load. To meet the load-bearing capacity requirements, a transverse airbag is installed between the spring beam and the spring bracket, mainly to supplement the insufficient bearing capacity of the longitudinal airbag. Due to space constraints, the transverse airbag is set with a hyperbolic airbag and arranged horizontally, which reduces the longitudinal load. distance, the entire suspension arrangement is more compact, which has a better load-bearing and shock-absorbing effect.
附图说明Description of drawings
图1是本发明整体结构示意图；Fig. 1 is a schematic diagram of the overall structure of the present invention;
图2是本发明局部结构示意图；Fig. 2 is a partial structure schematic diagram of the present invention;
图3是弹簧梁结构示意图；Fig. 3 is a schematic diagram of the spring beam structure;
图4为弹簧梁支架机构示意图；Fig. 4 is a schematic diagram of the spring beam support mechanism;
图5是弹簧梁与弹簧梁支架局部连接结构示意图；Fig. 5 is a schematic diagram of the local connection structure between the spring beam and the spring beam support;
图6是弹簧梁与车桥局部连接结构示意图；Fig. 6 is a schematic diagram of the local connection structure between the spring beam and the axle;
图7是第一弹性体轴套局部剖视图；Fig. 7 is a partial sectional view of the first elastic body sleeve;
图8是第二弹性体轴套局部剖视图；Fig. 8 is a partial sectional view of the second elastic body sleeve;
图9是本发明平面示意图。Fig. 9 is a schematic plan view of the present invention.
具体实施方式Detailed ways
为能清楚说明本方案的技术特点，下面通过具体实施方式，并结合其附图，对本方案进行阐述。In order to clearly illustrate the technical characteristics of this solution, the following will describe this solution through specific implementation modes and in conjunction with the accompanying drawings.
如图1-9所示，一种线轴桥用复合空气悬架，包括工型架1、设置于工型架1下方的弹簧梁支架2及弹簧梁4，所述弹簧梁4一端安装在弹簧梁支架上，另一端设置车桥3，所述弹簧梁4与弹簧梁支架2之间设置第一弹性体轴套5，所述弹簧梁4与车桥3之间设置第二弹性体轴套9，所述弹簧梁4上设置纵向气囊7和横向气囊6，所述横向气囊6为双曲气囊，所述横向气囊6一端与弹簧梁支架2相连，另一端固定在弹簧梁4上，所述横向气囊6设置于纵向气囊7与车桥3之间，所述车桥3与工型架1之间设置限位装置。As shown in Figures 1-9, a composite air suspension for a spool bridge includes an I-shaped frame 1, a spring beam bracket 2 and a spring beam 4 arranged under the I-shaped frame 1, and one end of the spring beam 4 is installed on a spring On the beam bracket, the other end is provided with a vehicle axle 3, a first elastomer bushing 5 is arranged between the spring beam 4 and the spring beam bracket 2, and a second elastomer bushing is arranged between the spring beam 4 and the vehicle axle 3 9. The spring beam 4 is provided with a longitudinal airbag 7 and a transverse airbag 6. The transverse airbag 6 is a hyperbolic airbag. One end of the transverse airbag 6 is connected to the spring beam bracket 2, and the other end is fixed on the spring beam 4. The transverse airbag 6 is arranged between the longitudinal airbag 7 and the axle 3 , and a limiting device is arranged between the axle 3 and the I-frame 1 .
具体地，纵向气囊7和横向气囊6共同承载载荷，此外，横向气囊6主要是对纵向承载气囊能力不足的补充，由于受空间限制，将横向气囊6设置双曲气囊，横向布置，这样减小了纵向距离，整个悬架布置更紧凑，起到更好的载重及减震效果。Specifically, the longitudinal airbag 7 and the transverse airbag 6 jointly carry the load. In addition, the transverse airbag 6 is mainly a supplement to the insufficient capacity of the longitudinal airbag. Due to space constraints, the transverse airbag 6 is arranged in a hyperbolic airbag and arranged horizontally, thus reducing the load. The longitudinal distance is increased, and the entire suspension layout is more compact, which has a better load-bearing and shock-absorbing effect.
所述弹簧梁4一端设置安装套401，另一端设置安装轴402，所述弹簧梁4设置横向气囊支架403及纵向气囊安装板404，所述弹簧梁支架2包括顶板201及设置于两侧的侧板202，所述两侧板之间设置横向气囊安装板203，所述横向气囊安装板203下方及两侧板202之间形成弹簧梁安装槽204。One end of the spring beam 4 is provided with a mounting sleeve 401, and the other end is provided with a mounting shaft 402. The spring beam 4 is provided with a transverse airbag bracket 403 and a longitudinal airbag mounting plate 404. The spring beam bracket 2 includes a top plate 201 and a mounting plate arranged on both sides Side plates 202 , a transverse airbag installation plate 203 is arranged between the two side plates, and a spring beam installation groove 204 is formed under the transverse airbag installation plate 203 and between the two side plates 202 .
具体地，横向气囊6一端连接在横向气囊支架403，另一端固定于横向气囊安装板203上，纵向气囊7一端固定在纵向气囊安装板404，另一端固定在工型架1上。Specifically, one end of the transverse airbag 6 is connected to the transverse airbag bracket 403 and the other end is fixed on the transverse airbag mounting plate 203 ;
所述侧板202上设置第一安装孔221，所述第一安装孔221与安装套401对应设置，所述侧板201与安装套401之间通过第一销轴10连接，所述安装套401一侧与第一销轴10之间对应设置开槽螺母11，所述第一弹性体轴承5安装在安装401套与第一销轴10之间，所述开槽螺母11与第一弹性体轴承之间设置台阶套11，所述第一弹性体轴承5与第二弹性体轴承9均为橡胶材质，所述第一弹性体轴承5径向设置两层第一金属骨架501，所述第一弹性体轴承5端面设置三层第二金属骨架502。The first installation hole 221 is set on the side plate 202, and the first installation hole 221 is set corresponding to the installation sleeve 401. The side plate 201 and the installation sleeve 401 are connected by the first pin shaft 10, and the installation sleeve A slotted nut 11 is correspondingly arranged between one side of 401 and the first pin shaft 10, and the first elastomer bearing 5 is installed between the installation 401 sleeve and the first pin shaft 10, and the slotted nut 11 is connected with the first elastic bearing 5. Step sleeves 11 are arranged between the body bearings, the first elastomer bearing 5 and the second elastomer bearing 9 are made of rubber, and the first elastomer bearing 5 is provided with two layers of first metal skeletons 501 radially. Three layers of second metal skeletons 502 are arranged on the end face of the first elastomer bearing 5 .
具体地，将第一弹性体轴承5安装在安装套401内，然后将弹簧梁4安装到弹簧梁支架2弹簧梁安装槽204内，用第一销轴10穿过第一安装孔221、第一弹性体轴承5，然后安装台阶套12，然后用螺栓拧紧固定，目的使第一弹性体轴承5轴向有更多的变形量变形，以实现需要的轴向刚度。第一弹性体轴承5径向采用两层第一金属骨架501，端面采用三层第二金属骨架502，形成金属骨架包围空间橡胶弹性体的机构，这种结构保证安装时该转动点有足够的径向刚度、轴向刚度，来控制牵引、制动、转弯等复杂工况下受力和弯矩，同时也能很好地过滤来自弹簧梁4传向弹簧梁支架2的振动。Specifically, the first elastic body bearing 5 is installed in the installation sleeve 401, and then the spring beam 4 is installed in the spring beam mounting groove 204 of the spring beam bracket 2, and the first pin shaft 10 is used to pass through the first mounting hole 221, the second An elastic body bearing 5 is then installed with a stepped sleeve 12, and then tightened and fixed with bolts, in order to make the first elastic body bearing 5 have more deformation in the axial direction, so as to achieve the required axial stiffness. The first elastic body bearing 5 radially adopts two-layer first metal skeleton 501, and the end face adopts three-layer second metal skeleton 502 to form a mechanism in which the metal skeleton surrounds the space rubber elastic body. This structure ensures that the rotation point has enough space during installation. The radial stiffness and axial stiffness are used to control the force and bending moment under complex working conditions such as traction, braking, and turning, and can also filter the vibration transmitted from the spring beam 4 to the spring beam support 2 well.
所述车桥3上与安装轴402对应设置第二安装孔301，所述安装轴402穿过第二安装孔301通过螺母固定在车桥3上，所述第二弹性体轴承9安装于安装轴402与第二安装孔301之间设置，所述第二弹性体轴承9径向设置一层第一金属骨架501，所述第二弹性体轴承9端面设置三层第二金属骨架502。A second mounting hole 301 is provided on the axle 3 corresponding to the mounting shaft 402, and the mounting shaft 402 passes through the second mounting hole 301 and is fixed on the axle 3 through a nut, and the second elastomer bearing 9 is mounted on the mounting shaft 3. The shaft 402 is arranged between the second installation hole 301 , the second elastic body bearing 9 is provided with a layer of first metal framework 501 in the radial direction, and the end surface of the second elastic body bearing 9 is provided with three layers of second metal framework 502 .
具体地，将第二弹性体轴承9安装到第二安装孔301，然后安装轴402穿过第二安装孔301后用螺母固定，径向采用一层第一金属骨架501，端面采用三层第二金属骨架502主要是提高轴向刚度；径向采用一层第一金属骨架501，除需要有一定径向刚度外，弹性体还需要有一定的弹性变形，以实现车桥3与弹簧梁4之间的转动，从而满足车桥3的动态运动要求。Specifically, the second elastic body bearing 9 is installed in the second installation hole 301, and then the installation shaft 402 passes through the second installation hole 301 and is fixed with nuts, a layer of the first metal skeleton 501 is used in the radial direction, and three layers of the first metal skeleton 501 are used in the end surface. The second metal frame 502 is mainly to improve the axial stiffness; the first layer of metal frame 501 is used in the radial direction. In addition to a certain radial stiffness, the elastic body also needs to have a certain elastic deformation to realize the axle 3 and the spring beam 4. The rotation between them meets the dynamic movement requirements of the axle 3.
所述侧板202与弹簧梁4之间设置减震器13，所述弹簧梁4两侧设置减震器安装柱405，所述减震器13一端固定在弹簧梁支架2上，另一端固定在减震器安装柱405上。A shock absorber 13 is arranged between the side plate 202 and the spring beam 4, and a shock absorber mounting column 405 is arranged on both sides of the spring beam 4, and one end of the shock absorber 13 is fixed on the spring beam support 2, and the other end is fixed On the shock absorber mounting post 405.
所述限位装置包括设置于车桥3上的限位支架302，所述限位支架302与工型架1之间设置限位钢丝绳8，具体地，将工型架1焊接在车架上，设置限位钢丝绳，对车桥3及车架起到限位作用。The limiting device includes a limiting bracket 302 arranged on the vehicle axle 3, and a limiting wire rope 8 is arranged between the limiting bracket 302 and the I-shaped frame 1. Specifically, the I-shaped frame 1 is welded on the vehicle frame , the limit wire rope is set to play a limit effect on the vehicle axle 3 and the vehicle frame.
以上所述只是本发明的优选实施方式，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也被视为本发明的保护范围。The above is only a preferred embodiment of the present invention. For those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered as the present invention. protection scope of the invention.
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